Home / 26,222.40-39,348-12,371.04

Finding the Fourth Proportional to 26,222.40, 39,348 and 12,371.04

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Solution

The fourth proportional to 26,222.40, 39,348 and 12,371.04 is: 18,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.40 : 39,348 = 12,371.04 : x
  2. Step 2: Convert to fraction form
    26,222.40/39,348 = 12,371.04/x
  3. Step 3: Cross multiply
    26,222.40x = 39,348 × 12,371.04
  4. Step 4: Simplify right side
    26,222.40x = 486,775,681.92
  5. Step 5: Solve for x
    x = 486,775,681.92/26,222.40
  6. Step 6: Final answer
    x = 18,563.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.